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comparison toolboxes/FullBNT-1.0.7/nethelp3.3/datread.htm @ 0:e9a9cd732c1e tip
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| author | wolffd |
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| date | Tue, 10 Feb 2015 15:05:51 +0000 |
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| 1 <html> | |
| 2 <head> | |
| 3 <title> | |
| 4 Netlab Reference Manual datread | |
| 5 </title> | |
| 6 </head> | |
| 7 <body> | |
| 8 <H1> datread | |
| 9 </H1> | |
| 10 <h2> | |
| 11 Purpose | |
| 12 </h2> | |
| 13 Read data from an ascii file. | |
| 14 | |
| 15 <p><h2> | |
| 16 Synopsis | |
| 17 </h2> | |
| 18 <PRE> | |
| 19 [x, t, nin, nout, ndata] = datread(filename) | |
| 20 </PRE> | |
| 21 | |
| 22 | |
| 23 <p><h2> | |
| 24 Description | |
| 25 </h2> | |
| 26 | |
| 27 <p><CODE>[x, t, nin, nout, ndata] = datread(filename)</CODE> reads from | |
| 28 the file <CODE>filename</CODE> and returns a matrix <CODE>x</CODE> of input vectors, | |
| 29 a matrix <CODE>t</CODE> of target vectors, and integers <CODE>nin</CODE>, <CODE>nout</CODE> | |
| 30 and <CODE>ndata</CODE> specifying the number of inputs, the number of outputs | |
| 31 and the number of data points respectively. | |
| 32 | |
| 33 <p>The format of the data file is as follows: the first row contains the | |
| 34 string <CODE>nin</CODE> followed by the number of inputs, the second row | |
| 35 contains the string <CODE>nout</CODE> followed by the number of outputs, and | |
| 36 the third row contains the string <CODE>ndata</CODE> followed by the number | |
| 37 of data vectors. Subsequent lines each contain one input vector | |
| 38 followed by one output vector, with individual values separated by | |
| 39 spaces. | |
| 40 | |
| 41 <p><h2> | |
| 42 Example | |
| 43 </h2> | |
| 44 For the XOR data set we have | |
| 45 | |
| 46 <p><h2> | |
| 47 See Also | |
| 48 </h2> | |
| 49 <CODE><a href="nin2nout1ndata40.000000e+000.000000e+001.000000e+000.000000e+001.000000e+000.000000e+001.000000e+000.000000e+000.000000e+001.000000e+001.000000e+001.000000e+00SeeAlsodatwrite.htm">nin2nout1ndata40.000000e+000.000000e+001.000000e+000.000000e+001.000000e+000.000000e+001.000000e+000.000000e+000.000000e+001.000000e+001.000000e+001.000000e+00SeeAlsodatwrite</a></CODE><hr> | |
| 50 <b>Pages:</b> | |
| 51 <a href="index.htm">Index</a> | |
| 52 <hr> | |
| 53 <p>Copyright (c) Ian T Nabney (1996-9) | |
| 54 | |
| 55 | |
| 56 </body> | |
| 57 </html> |